CN103164941B - A kind of wireless remote control system and method - Google Patents
A kind of wireless remote control system and method Download PDFInfo
- Publication number
- CN103164941B CN103164941B CN201310067025.9A CN201310067025A CN103164941B CN 103164941 B CN103164941 B CN 103164941B CN 201310067025 A CN201310067025 A CN 201310067025A CN 103164941 B CN103164941 B CN 103164941B
- Authority
- CN
- China
- Prior art keywords
- monitoring
- wireless
- signals module
- wireless signals
- communicating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The present invention relates to a kind of wireless remote control system and method, wherein, this wireless remote control system comprises: wireless monitoring terminal, radio concentrator and monitoring server; Wireless monitoring terminal comprises the first communicating wireless signals module of monitoring and metering module and the frequency hopping work with monitoring and metering model calling, monitoring result for monitoring the running status of equipment to be monitored and measuring the variable of equipment to be monitored, and is sent to the first communicating wireless signals module by monitoring and metering module; The monitoring result of reception is sent to radio concentrator by the first communicating wireless signals module; Radio concentrator comprises the second communicating wireless signals module that a multinuclear receives simultaneously; Second communicating wireless signals module receives the monitoring result that wireless monitoring terminal is sent by the first communicating wireless signals module, and monitoring result is sent to the 3rd communicating wireless signals module of monitoring server.Implement the present invention, there is the advantages such as stability is high, antijamming capability is strong.
Description
Technical field
The present invention relates to communication technical field, more particularly, relate to a kind of wireless remote control system and method.
Background technology
Along with the development of intelligent city, popularizing of low-carbon (LC) life, and the compulsory execution of the target of energy-saving and emission-reduction, if can science, accurate, distinct monitoring and management water, electricity, gas, hot equal energy source consumption, can to the Fast Construction of intelligent city, the up to standard of energy-saving and emission-reduction provides science data and theoretical direction.In the prior art, the incompatible of meter reading method and social development of registering one's residence of manually visiting seems day by day obvious, check meter register one's residence difficulty, labour intensity is large, efficiency is low, and easily causes dispute, all causes a lot of puzzlements to user and Administration of Public Affairs department.In order to this puzzlement solved, Wireless Meter Reading Technology is developed rapidly, but in existing reading technique, gauge communicates to connect by means of only a fixed frequency and remote monitoring center, when this fixed frequency is interfered, numerical stability of checking meter will be had a strong impact on.
Summary of the invention
The technical problem to be solved in the present invention is, Wireless Meter Reading Technology for prior art adopts single fixed frequency to be connected with remote monitoring center, easily be disturbed and cause monitoring inaccurate defect, high, the jamproof wireless remote control system of a kind of stability and method are provided.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of wireless remote control system, comprising: wireless monitoring terminal, radio concentrator and monitoring server; Described wireless monitoring terminal is arranged on equipment to be monitored;
Described wireless monitoring terminal comprises the first communicating wireless signals module of monitoring and metering module and the frequency hopping work with described monitoring and metering model calling; Monitoring result for monitoring the running status of described equipment to be monitored and measuring the variable of equipment to be monitored, and is sent to the first communicating wireless signals module by described monitoring and metering module; The monitoring result received from monitoring and metering module is sent to radio concentrator by the first communicating wireless signals module of described frequency hopping work;
Described radio concentrator comprises a second communicating wireless signals module; Described second communicating wireless signals module multinuclear receives the monitoring result that described wireless monitoring terminal is sent by the first communicating wireless signals module simultaneously, and described monitoring result is sent to the 3rd communicating wireless signals module of described monitoring server (30).
In wireless remote control system of the present invention, described wireless monitoring terminal is every a Preset Time or when reaching default value in described monitoring result, and the monitoring result of being monitored by Preset Time or monitoring result when reaching default value send to described radio concentrator by the first communicating wireless signals module.
In wireless remote control system of the present invention, the first communicating wireless signals module is that random frequency hopping is launched; Second communicating wireless signals module of radio concentrator is that the core that receives receives more simultaneously, and its multinuclear frequency of operation covers all frequencies of the first communicating wireless signals module frequency hopping completely.
In wireless remote control system of the present invention, described system also comprises wireless repeater, and described wireless repeater is connected with described wireless monitoring terminal, radio concentrator respectively;
Described wireless repeater comprises a 4th communicating wireless signals module, described 4th communicating wireless signals module receives the monitoring result that described wireless monitoring terminal is sent by the first communicating wireless signals module, and described monitoring result is sent to the second communicating wireless signals module of described radio concentrator; Described wireless repeater is for expanding the transmission range between described wireless monitoring terminal and described radio concentrator.
In wireless remote control system of the present invention, described wireless remote control system also comprises the PDA equipment be connected respectively with described wireless monitoring terminal, wireless repeater, monitoring server, and described PDA equipment specifically comprises:
Module is set, for arranging the parameter of described wireless monitoring terminal and the emissive power for arranging described wireless repeater;
5th communicating wireless signals module, for receiving monitoring result that described wireless monitoring terminal sent by the first communicating wireless signals module and sending described parameter to described wireless monitoring terminal, and for sending emissive power setting command to described wireless repeater;
USB interface, is connected with described monitoring server, for sending described monitoring result to described monitoring server.
The present invention also constructs a kind of wireless remote monitering method, comprises the following steps:
The running status of the monitoring and metering module monitors equipment to be monitored of S1, wireless monitoring terminal and measure the variable of equipment to be monitored, and monitoring result being sent to the first communicating wireless signals module of the frequency hopping work of described wireless monitoring terminal, the monitoring result of reception is sent to radio concentrator by the first communicating wireless signals module of described frequency hopping work; Described wireless monitoring terminal is arranged on described equipment to be monitored;
Second communicating wireless signals module multinuclear of S2, described radio concentrator receives the monitoring result that described wireless monitoring terminal is sent by the first communicating wireless signals module simultaneously, and described monitoring result is sent to the 3rd communicating wireless signals module of monitoring server.
In wireless remote control system of the present invention, described step S1 comprises further:
S11, described wireless monitoring terminal are every a Preset Time or when reaching default value in described monitoring result, and the monitoring result of being monitored by Preset Time or monitoring result when reaching default value send to described radio concentrator by the first communicating wireless signals module.
In wireless remote control system of the present invention, described first communicating wireless signals module is that random frequency hopping is launched; Second communicating wireless signals module of radio concentrator is that the core that receives receives more simultaneously, and its multinuclear frequency of operation covers all frequencies of the first communicating wireless signals module frequency hopping completely.
In wireless remote control system of the present invention, described step S11 is further comprising the steps:
S12, described wireless monitoring terminal are every a Preset Time or when reaching default value in described monitoring result, and the monitoring result of being monitored by Preset Time or monitoring result when reaching default value send to the 4th communicating wireless signals module of wireless repeater by the first communicating wireless signals module;
4th communicating wireless signals module of S13, described wireless repeater receives the described monitoring result of described wireless monitoring terminal transmission, and described monitoring result is sent to the second communicating wireless signals module of described radio concentrator.
In wireless remote control system of the present invention, further comprising the steps of:
S3, when described wireless monitoring terminal and described radio concentrator occur failing to report data or PDA equipment to described wireless monitoring terminal send request need to obtain monitoring result time, described monitoring result is sent to the 5th communicating wireless signals module of described PDA equipment by described wireless monitoring terminal by the first communicating wireless signals module;
S4, described PDA equipment send described monitoring result to described monitoring server (30) by USB interface.
Implement wireless remote control system of the present invention, there is following beneficial effect: wireless monitoring terminal monitors the running status of equipment to be detected and the variable of metering equipment to be monitored, and monitoring result is sent to radio concentrator or PDA equipment by the first communicating wireless signals module of frequency hopping work, the monitoring result of reception is sent to monitoring server by described radio concentrator, PDA equipment; Greatly can improve stability, the antijamming capability of wireless remote monitoring system.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structured flowchart of wireless remote control system of the present invention;
Fig. 2 is wireless remote monitering method flow diagram of the present invention.
Embodiment
In order to make object of the present invention clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, in the structured flowchart of wireless remote control system of the present invention, comprising: wireless monitoring terminal 10, radio concentrator 20 and monitoring server 30; This wireless monitoring terminal 10 is arranged on equipment to be monitored;
This wireless monitoring terminal 10 comprises the first communicating wireless signals module 12 of monitoring and metering module 11 and the frequency hopping work with monitoring and metering model calling, monitoring result for monitoring the running status of this equipment to be monitored and measuring the variable of equipment to be monitored, and is sent to the first communicating wireless signals module 12 by this monitoring and metering module 11; The monitoring result received from monitoring and metering module 11 is sent to radio concentrator 20 by the first communicating wireless signals module 12 of this frequency hopping work;
This radio concentrator 20 comprises a second communicating wireless signals module 21; This second communicating wireless signals module 21 multinuclear receives the monitoring result that this wireless monitoring terminal 10 is sent by the first communicating wireless signals module simultaneously, and this monitoring result is sent to the 3rd communicating wireless signals module 31 of this monitoring server 30.
First communicating wireless signals module 12 is that random frequency hopping is launched; Second communicating wireless signals module 21 of radio concentrator 20 is that the core that receives receives more simultaneously, and its multinuclear frequency of operation covers all frequencies of the first communicating wireless signals module 12 frequency hopping completely.
In this embodiment, this wireless remote monitoring system can comprise multiple wireless monitoring terminal 10, and each wireless monitoring terminal 10 has identical structure.First communicating wireless signals module 12 of the frequency hopping work that wireless monitoring terminal 10 comprises can arrange the number of frequencies of frequency hopping according to actual needs, the first communicating wireless signals module 12 as arranged a wireless monitoring terminal comprises the number of frequencies of N number of (N>3) frequency hopping, and the first communicating wireless signals module 12 is operated in frequency range F
0~ F
n; Monitoring and metering result can be sent data by the first communicating wireless signals module 12 random frequency hopping by monitoring and metering module 11, often organizes data and can divide n timeslice, respectively at F
0~ F
nfrequency on launch, launching the order of frequency can random alignment.This frequency range F
0-F
ncan be 475Mhz ~ 495Mhz.Launched by the first communicating wireless signals module random frequency hopping adopting random frequency hopping to launch on wireless monitoring terminal 10, antijamming capability can be improved greatly; And single first communicating wireless signals module cost is low, each wireless monitoring terminal adopts the first communicating wireless signals module of 1 frequency hopping, obtains the communication efficiency adopting n fixed frequency communicating wireless signals module, greatly reduces system cost.
The the second communicating wireless signals module 21 comprised at radio concentrator 20 is multi-frequency communication modules, and it can receive wireless monitoring terminal by frequency F
0-F
nthe data sent, realize multiple transmitting to 1 reception.This second communicating wireless signals module 21 is because receiving multiple frequency signal, complicated structure, cost is high, but because a second communicating wireless signals module can receive thousands of wireless monitoring terminals, so whole wireless remote monitoring system formation cost is just very low.
In this embodiment, this equipment to be monitored is water meter, gas meter, flow meter or heat meter.
Further, first communicating wireless signals module 12 of this wireless monitoring terminal 10 is when a Preset Time or monitoring result reach default value, and the monitoring result of being monitored by Preset Time or monitoring result when reaching default value send to this radio concentrator 20 by the first communicating wireless signals module 12.In specific implementation process, when equipment to be monitored is water meter, this default value can be 0.5m for variable
3, accordingly, when equipment to be monitored be gas meter, flow meter or heat meter time, corresponding presetting also can be set and arrange.This Preset Time can be 4 hours.
Further, this wireless remote control system also comprises wireless repeater 40, and this wireless repeater 40 is connected with this wireless monitoring terminal 10, radio concentrator 20 respectively, for the transmission range between extended wireless monitoring terminal 10 and radio concentrator 20; This wireless repeater 40 comprises a 4th communicating wireless signals module 41,4th communicating wireless signals module 41 receives the monitoring result that wireless monitoring terminal is sent by the first communicating wireless signals module, and this monitoring result is sent to the second communicating wireless signals module 21 of this radio concentrator 20.This wireless repeater 40 is for the transmission range between extended wireless monitoring terminal 10 and radio concentrator 20.
Further, this wireless remote monitoring system also comprises the PDA equipment 50 be connected respectively with wireless monitoring terminal 10, wireless repeater 40, monitoring server 30, and this PDA equipment 50 specifically comprises:
Module 51 is set, for arranging the parameter of this wireless monitoring terminal 10 and the emissive power for arranging this wireless repeater 40;
5th communicating wireless signals module 52, for receiving the monitoring result of the monitoring result transmission that wireless monitoring terminal 10 is sent by the first communicating wireless signals module and sending described parameter to this wireless monitoring terminal 10, and for sending emissive power setting command to this wireless repeater 40;
USB interface 53, is connected with this monitoring server 30, for sending this monitoring result to monitoring server.
Further, this radio concentrator 20 is communicated to connect by GPRS network and this monitoring server 30.
Further, this wireless monitoring terminal 10 adopts dipulse, monopulse or direct-reading to obtain the variable of equipment to be monitored.
Further, the first communicating wireless signals module 12 of this wireless monitoring terminal 10 is by 4 channel group launch monitor results; These 4 channel group include a high speed operation channel and two tick-over passages; This wireless monitoring terminal 10 is communicated to connect by tick-over passage and this radio concentrator 20, and this wireless monitoring terminal 10 is communicated to connect by high speed operation passage and this PDA equipment 50.
In specific implementation process, PDA equipment 50 arranges wireless monitoring terminal 10 parameter by arranging module 51 comprises the ID, initialization reading, meter constant etc. that arrange wireless monitoring terminal, also for arranging the emissive power of wireless repeater 40, the emissive power of wireless repeater 40 can be set to 50mW or 500mW; PDA equipment 50 receives the monitoring result of wireless monitoring terminal 10 transmission, for mending the wireless monitoring terminal 10 copied and cannot directly communicate with wireless repeater 40 or radio concentrator 20 by the 5th communicating wireless signals module 52.
The integrated collection of wireless monitoring terminal 10, metering, radio communication, soft clock, super low-power consumption, power management, burn out detection, antimagnetic attack, the functions such as Anti-dismantling are in one; The emission mode of this wireless monitoring terminal 10 comprises transmitted at high speed pattern, low speed emission mode, FHSS pattern: transmitted at high speed pattern, and 25-40 launches once second at random, and face-to-face communication distance is greater than 1000 meters, and supporting hand-held set solves communication blind district completely; Low speed emission mode, 4 hours or be metered into 0.5M3 launch once, face-to-face communication distance is greater than 2500 meters, and supporting concentrator and repeater complete fixed point copy reading, convenient energy monitoring management; FHSS pattern, solves single-frequency problem of co-channel interference.This wireless monitoring terminal 10 provides 4 can establish channel group, more effectively avoids issuable frequency to disturb.This wireless monitoring terminal 10 supports single, double dry pulse measurement, also can choose direct-reading meter amount mode, fix metering method before dispatching from the factory.This wireless monitoring terminal 10 has: power management function, detects emission state voltage and reports; Magnetic attack detecting function, produces warning mark when detection of malicious magnetic is attacked; Reserved anti-disassembling function, produces vibrations warning mark (needing external ball switch) during detection of malicious dismounting; Breaking line preventive function, detects and produces warning mark when malice cuts off circuit, is applicable to circumscribed and installs.
This wireless monitoring terminal 10 can be integrated in equipment to be monitored, also can add the correct position that shell is arranged on equipment to be monitored.
The monitoring and metering module 11 of this wireless monitoring terminal 10 monitors the running status of equipment to be monitored and the variable of metering equipment to be monitored, and monitoring result is passed to the first communicating wireless signals module 12; The running status of this equipment to be monitored comprises the battery electric quantity of equipment to be monitored, disassembly status, broken string state, magnetic attack state, upside-down mounting state, water clock state, test mode, equipment failure state and other status informations.This monitoring and metering module 11 magnetic attack detecting end MR1, MR2: be tongue tube S1 and tongue tube S2 incoming end; During double dry-reed pipe metering, only having after there is staggered low pulse is respectively 1 metrical pulse, if be low simultaneously, does not measure, and prompting magnetic attacks alarm condition; When going alone reed pipe, S1 is pulse measurement, and S2 can as magnetic attack detecting input end.This monitoring and metering module has been determined when dispatching from the factory adopt double dry-reed pipe metering or go alone reed pipe metering method, and the minimum widith of the low pulse of all meterings is 100ms.The burn out detection incoming end of this monitoring and metering module 11: connect the signal wire walked abreast together with other signal wires, other end ground connection, if user cuts off this signal wire, just prompting break alarm state; If do not connect this line, user does not just need process broken string zone bit.The dismounting of this monitoring and metering module 11 detects incoming end: user need disassembling function report to the police (vibrations mark is reported to the police) time, can external ball switch or mercury cut-off, note: during installation, static switch should be in open-circuit condition, installation direction and position, can not have in external environment and slightly shake with regard to trigger alarm.
This wireless monitoring terminal 10 provides 4 channel group available, arrange by PDA apparatus remote, acquiescence employing 0 channel group, if all frequencies of on-the-spot 0 channel group have interference, channel group can be set by PDA equipment, need the working channel group revising wireless repeater, radio concentrator, PDA equipment simultaneously.4 channel group of this wireless monitoring terminal 10 are as follows:
Each channel group comprises 3 channels, and CH0 is high speed operation channel, CH1 and CH2 is tick-over channel;
| CHGR NO. | CH0(MHz) | CH1(MHz) | CH2(MHz) |
| 0 | 482.0078 | 476.0078 | 488.0078 |
| 1 | 483.5078 | 477.5078 | 489.5078 |
| 2 | 485.0078 | 479.0078 | 491.0078 |
| 3 | 486.5078 | 480.5078 | 492.5078 |
First communicating wireless signals module 12 of this wireless monitoring terminal 10 is every a Preset Time, as every 4 hours, low rate launched a secondary data to radio concentrator 20, also can after monitoring result be 0.5m3 unit, also low rate launches a secondary data to radio concentrator 20; This communicating wireless signals module 12 every a Preset Time, as every 25-40 two-forty second launches a secondary data to PDA equipment.The data layout that this first communicating wireless signals module 12 sends is as follows:
| PIDH | PIDL | ID4 | ID3 | ID2 | ID1 | TPN | RV | S | V | D4 | D3 | D2 | D1 | SN |
1) PIDH, PIDL are item id, dispatch from the factory unique.
2) ID4, ID3, ID2, ID1: table number, by client initialization.
3) TPN: Table Properties, occurrence is as follows:
Wherein: B7B6 represents table type, when B7B6 is 00, represent water meter; When B7B6 is 01, represent gas meter, flow meter; When B7B6 is 10, represent heat meter; When B7B6 is 11, retain.B2B1B0 indicating impulse constant, wherein, when B2B1B0 is 000, represents direct-reading gage; When B2B1B0 is 011, represent that 1 metrical pulse measures 1 liter; When B2B1B0 is 100, represent that 1 metrical pulse measures 10 liters; When B2B1B0 is 101, represent that 1 metrical pulse measures 100 liters; When B2B1B0 is 110, represent that 1 metrical pulse measures 1000 liters; B2B1B0 is that 001,010,111 values retain.
4) RV: reserved word
5) S: the status word of table, its 8 are defined as follows:
Wherein, when B7 is 0, represent normal; When B7 is 1, represent that short-term is reported to the police; When B6 is 0, represent dipulse metering, when B6 is 1, represent monopulse metering; When B5 is 0, represent normal, when B5 is 1, represents that magnetic is attacked and report to the police; When B4 is 0, represent normal data, when B4 is 1, represent test signal; When B3 is 0, represent that current data is correct, when B3 is 1, represent current data mistake; When B2 is 0, represent normal, when B2 is 1, represents that vibrations are reported to the police, may be disassembled; B1B0 is for representing vibrations rank, and when being 00,01,10,11, shockproofness strengthens successively.
6) V: battery voltage value, 16 systems, value 0 ~ 255.It is alarm voltage that cell voltage is less than or equal to 3.1V.
7) D4, D3, D2, D1: represent reading
Reading Data=(D4D3D2D1)/(Pn) (M3)
Pn and PN has relation
| PN=011 | PN=100 | PN=101 | PN=110 |
| Pn=1000 | Pn=100 | Pn=10 | Pn=1 |
8) SN: serial number 0-255 circulates.
The technical parameter of wireless monitoring terminal 10 is as follows:
Transmission frequency: 475Mhz ~ 495MHz; Emissive power: 15dBm; Frequency stability: ± 5PPM; Working temperature :-20 ~ 70 DEG C (-40 ~ 80 DEG C of customizations); Bandwidth of operation: low speed 12.5kHz, high speed 200kHz; Operating voltage :+2.8 ~ 6V; Transmitter current :≤70mA; Launch 1 group of data duration: low speed 160 milliseconds, at a high speed 2.1 milliseconds; Transmission interval: low speed Mean Time Between Replacement is 4 hours, high speed interval time is 25-40 second; Transmission range: low speed sighting distance >=2500 meter, high speed sighting distance >=1000 meter; Quiescent current :≤7uA; Average operating current :≤15uA.
Wireless repeater 40 can arrange multiple in this wireless remote monitoring system, increases transmission range; After this wireless repeater 40 receives the monitoring result of wireless monitoring terminal 10, the data retransmission received is gone out after random 0-5S, during forwarding, this wireless repeater 40 can also continue to receive data again, once forward 32 bag data at most, many bags data retransmission data break 200ms.The emissive power of this wireless repeater 40 is arranged by PDA equipment, provide two grades optional: 50mW and 500mW.The technical parameter of this wireless repeater 40 is as follows: frequency of operation: 475MHz-493MHz; Frequency stability: ± 2.5PPM; Bandwidth of operation: 12.5KHz; Receive bandwidth: ± 5KHz; Receiving sensitivity :-120dBm; Received current :≤50mA; Operating voltage: 4.75 ~ 5.25VDC; Working temperature :-40 ~ 80 DEG C.
Radio concentrator 20 is communicated to connect by GPRS network and monitoring server 30, is uploaded the data of this radio concentrator reception by ICP/IP protocol; This radio concentrator 20 can receive the data that wireless monitoring terminal 10 is launched on both frequencies simultaneously.Concrete, after this radio concentrator 20 receives the monitoring result of wireless monitoring terminal 10 transmission, long-range to monitoring server 30 by GPRS, wireless repeater 40 is used if had, then the monitoring result that wireless monitoring terminal 10 sends is forwarded to neighbouring radio concentrator 30, utilize wireless repeater can expand the coverage of radio concentrator, the more wireless monitoring terminal 10 of ALARA Principle.This radio concentrator 20 is as follows by the Data Transport Protocol between GPRS network and monitoring server 30:
One, radio concentrator 20 is up to the data protocol of monitoring server 30 by GPRS network:
| 0x24 | ID3 | ID2 | ID1 | ID0 | Frame Type | LenH | LenL | Data | CRCH | CRCL |
0x24: lead code
No. ID of ID3 ~ ID0:HAC_GW_T
FrameType: data frame type
A) 0x00: report IMSI, GSMRSSI;
B) 0x01: user data;
C) 0x02: current IP address information;
D) 0x03: heartbeat packet;
E) 0x04: the version number of report HAC_GW_F08M;
LenHLenL: data packet length
Data: packet
a)FrameType=0x00
Data：IMSI(ascll,15byte)+GSMRSSI(signedchar,1byte)
b)FrameType=0x01
Data: user data
c)FrameType=0x02
Data:[IP, Port, Priority] [...], be all ASCII;
Example: [192.168.1.1,10000,1] [219.222.170.26,8008,5]
d)FrameType=0x03
Data: the time interval (minute) (giving tacit consent to 1 minute) of heartbeat packet
e)FrameType=0x04
The version number of Data:HAC_GW_F08M
CRCHCRCL:CRC verifies, CRC check polynomial expression=$ 1021.
As FrameType=0x01, Data is user data, and this user data sends from serial ports after radio concentrator 20 receives the monitoring result of wireless monitoring terminal 10, and data protocol is as follows
Frame head: upstream data frame head 0x24
PIDH, PIDL: item number
FTP: frame type
A) 0x01: data pattern. for uploading the data of the MT received
B) 0x02: program upgrade pattern. omit this pattern for transmitting this document description of upgrading HAC-GWT_MRT..
C) 0x03: parameter setting mode, for transmitting descending setting command or upper line command feedback
Ver:HAC-GWT_MRT firmware version number
Time: date Hour Minute Second, by HEX coding, 6byte.
SDL: intranet data length 1byte
DATA: intranet data
RSSI:MR receives data fields intensity values
CS: all check sums comprising frame head.
When FTP=0x01 data pattern, radio concentrator 20 receives (DATA) intranet data agreement that wireless monitoring terminal 10 uploads and is:
| ID4 | ID3 | ID2 | ID1 | TPN | RPR | S | V | DS | DH | DM | DL | SN |
ID4, ID3, ID2, ID1: table number.
TPN: Table Properties.
Wherein:
S7S6 shows type: water meter is 00, and gas meter, flow meter is 01, and hotlist is 10,11 reservations
S5S4S3 retains
S2S1S0 meter constant
PN=000: direct-reading gage;
PN=001: retain;
PN=010: retain;
PN=011:1 metrical pulse meter 1 liter;
PN=100:1 metrical pulse meter 10 liters;
PN=101:1 metrical pulse meter 100 liters;
PN=110:1 metrical pulse meter 1000 liters;
PN=111: retain.
RPR: Intranet relay reception is to field intensity value during the data of MT, and signed 16 system numbers, 0x00 represents not through relaying.
S: the status word of table, its 8 are defined as follows:
Wherein:
S7 breaks mark: 0 is normal: 1 broken string.
S6 quantitative model: 0 dipulse metering: 1 monopulse metering.
S5 magnetic attacks mark: 0 is normal; 1 has magnetic to attack.
S4 tests mark: 0 represents it is normal data; What 1 expression received is test signal.
S3DER state: 0 current continuous data is correct; 1 current continuous data mistake.
S2 dismantles mark: 0 is normal; 1 module vibrations, may be disassembled.
S1S0 shock levels: 0-3 represents shockproofness respectively, strengthens successively.
V: battery voltage value, 16 systems, value 0 ~ 255.It is alarm voltage that cell voltage is less than or equal to 3.1V.The formula that this value is converted to voltage is as follows: Vb=V/18 (unit is V)
DSDHDMDL: height-low byte reading Data=(DSDHDMDL)/(the Pn) (M being followed successively by variable
3)
Pn and PN has relation
| PN=011 | PN=100 | PN=101 | PN=110 |
| Pn=1000 | Pn=100 | Pn=10 | Pn=1 |
SN: serial number 0-255 circulates.
Two, monitoring server 30 Data Transport Protocol that goes downwards to radio concentrator 20 by GPRS network is as follows:
| 0x26 | ID3 | ID2 | ID1 | ID0 | Frame Type | LenH | LenL | Data | CRCH | CRCL |
0x26: lead code
ID3 ~ ID0: No. ID of radio concentrator
FrameType: data frame type
LenHLenL: data packet length
Data: packet
a）FrameType=0x01
Data: user data
b）FrameType=0x02
I. IP address information is read:
LenHLenL=0x000x00, Data are empty
II. IP address information is write:
Data:[IP, Port, Priority] [...], be all ASCII;
Example: [192.168.1.1,10000,1] [219.222.170.26,8008,5]
C) FrameType=0x05, reads the version number of HAC-GWT
LenHLenL=0x000x00, Data are empty
D) FrameType=0x10, enters remote upgrade HAC-GWT pattern
LenHLenL=0x000x01, Data are 0x00
CRCHCRCL:CRC verifies, CRC check polynomial expression=$ 1021.
As FrameType=0x01, Data is user data, and these data need data to be processed in radio concentrator 20.
The technical parameter of radio concentrator 20 is as follows: frequency of operation: 475MHz-493MHz; Frequency stability: ± 2.5PPM; Bandwidth of operation: 12.5KHz; Receive bandwidth: ± 5KHz; Receiving sensitivity :-120dBm; Interface format: 9600/8N1/TTL; Received current :≤50mA; Operating voltage: 4.75 ~ 5.25VDC; Working temperature :-40 ~ 80 DEG C.
As shown in Figure 2, be wireless remote monitering method flow diagram of the present invention, the wireless remote control system of the method in above-mentioned description and Fig. 1 perform, comprises the following steps:
The monitoring and metering module 11 of S1, wireless monitoring terminal 10 is monitored the running status of equipment to be monitored and measures the variable of equipment to be monitored, and monitoring result being sent to the first communicating wireless signals module 12 of the frequency hopping work of wireless monitoring terminal 10, the monitoring result of reception is sent to radio concentrator 20 by the first communicating wireless signals module 12 of this frequency hopping work; This wireless monitoring terminal 10 is arranged on this equipment to be monitored; The running status of this equipment to be monitored comprises the battery electric quantity of equipment to be monitored, disassembly status, broken string state, magnetic attack state, upside-down mounting state, water clock state, test mode, equipment failure state and other status informations; This equipment to be monitored is water meter, gas meter, flow meter or heat meter;
Second communicating wireless signals module 21 of S2, this radio concentrator 20 receives the monitoring result that wireless monitoring terminal is sent by the first communicating wireless signals module, and this monitoring result is sent to the 3rd communicating wireless signals module 31 of monitoring server 30.This radio concentrator 20 is communicated to connect by GPRS network and this monitoring server 30.
In the method, this wireless monitoring terminal 10 and radio concentrator 20 can have multiple; Each wireless monitoring terminal 10 has identical structure.First communicating wireless signals module 12 of the frequency hopping work that wireless monitoring terminal 10 comprises can arrange the number of frequencies of frequency hopping according to actual needs, the first communicating wireless signals module 12 as arranged a wireless monitoring terminal comprises the number of frequencies of N number of (N>3) frequency hopping, and each the first communicating wireless signals module 12 is operated in frequency range F
0~ F
n; Monitoring and metering result can be sent data by the first communicating wireless signals module 11 random frequency hopping by monitoring and metering module 11, often organizes data and can divide n timeslice, respectively at F
0~ F
nfrequency on launch, launching the order of frequency can random alignment.This frequency F
0-F
ncan be 475Mhz ~ 495Mhz.Launched by the first communicating wireless signals module 12 random frequency hopping adopting random frequency hopping to launch on wireless monitoring terminal 10, antijamming capability can be improved greatly; And single first communicating wireless signals module cost is low, each wireless monitoring terminal adopts the first communicating wireless signals module of 1 frequency hopping, obtains the communication efficiency adopting n fixed frequency communicating wireless signals module, greatly reduces system cost.The the second communicating wireless signals module 21 comprised at radio concentrator 20 is multi-frequency communication modules, and it can receive wireless monitoring terminal by frequency F
0-F
nthe data sent, realize multiple transmitting to 1 reception.This second communicating wireless signals module 21 is because receiving multiple frequency signal, complicated structure, cost is high, but because a second communicating wireless signals module can receive thousands of wireless monitoring terminals, so whole wireless remote monitoring system formation cost is just very low.
In this embodiment, this equipment to be monitored is water meter, gas meter, flow meter or heat meter.
Further, this rapid S1 specifically comprises:
S11, this wireless monitoring terminal 10 are every a Preset Time or when reaching default value in monitoring result, and the monitoring result of being monitored by Preset Time or monitoring result when reaching default value send to described radio concentrator 20 by the first communicating wireless signals module 12; In specific implementation process, when monitoring equipment is water meter, this default value can be 0.5m for variable
3, accordingly, when equipment to be monitored be gas meter, flow meter or heat meter time, corresponding presetting also can be set and arrange.This Preset Time can be 4 hours.
Further, this first communicating wireless signals module 12 is that random frequency hopping is launched; Second communicating wireless signals module 21 of radio concentrator 20 is that the core that receives receives more simultaneously, and its multinuclear frequency of operation covers all frequencies of the first communicating wireless signals module 12 frequency hopping completely.
Further, this step S11 specifically comprises the following steps:
S12, this wireless monitoring terminal 10 are every a Preset Time or when reaching default value in described monitoring result, and the monitoring result of being monitored by Preset Time or monitoring result when reaching default value send to the 4th communicating wireless signals module 41 of wireless repeater 40 by the first communicating wireless signals module 12;
4th communicating wireless signals module of S13, this wireless repeater 40 receives the monitoring result of this wireless monitoring terminal 10 transmission, and this monitoring result is sent to the second communicating wireless signals module 21 of this radio concentrator 20.
In the method, multiple wireless repeater 40 can be comprised, by the transmission range between multiple wireless repeater 40 scalable radio monitoring terminal 10 and radio concentrator 20.
Further, the method is further comprising the steps of:
S3, when this wireless monitoring terminal 10 and this radio concentrator 20 occur failing to report data or PDA equipment 50 to this wireless monitoring terminal 10 send request need to obtain monitoring result time, this monitoring result is sent to the 5th communicating wireless signals module 52 of this PDA equipment 50 by this wireless monitoring terminal 10 by the first communicating wireless signals module 12;
S4, this PDA equipment 50 send this monitoring result to this monitoring server 30 by USB interface 53.
Further, the method is further comprising the steps of:
The module 51 that arranges of S0, this PDA equipment arranges the parameter of this wireless monitoring terminal 10 and arranges the emissive power of this wireless repeater 40, and sends this parameter by the 5th communicating wireless signals module 52 of this PDA equipment 50 to this wireless monitoring terminal 10 and send emissive power setting command to this wireless repeater 40.Concrete, this PDA equipment 50 arranges wireless monitoring terminal 10 parameter by arranging module 51 comprises the ID, initialization reading, meter constant etc. that arrange wireless monitoring terminal, also for arranging the emissive power of wireless repeater 40, the emissive power of wireless repeater 40 can be set to 50mW or 500mW.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. a wireless remote control system, is characterized in that, comprising: multiple wireless monitoring terminal (10), radio concentrator (20) and monitoring server (30); Described wireless monitoring terminal (10) is arranged on equipment to be monitored;
The first communicating wireless signals module (12) of frequency hopping work that described wireless monitoring terminal (10) comprises monitoring and metering module (11) and is connected with described monitoring and metering module (11); Monitoring result for monitoring the running status of described equipment to be monitored and measuring the variable of equipment to be monitored, and is sent to the first communicating wireless signals module (12) by described monitoring and metering module (11); The monitoring result received from monitoring and metering module (11) is sent to radio concentrator (20) by the first communicating wireless signals module (12) of described frequency hopping work; Wherein, each described radio detection terminal (10) adopts the first communicating wireless signals module (12) of a frequency hopping, and the monitoring result received from monitoring and metering module (11) adopts the mode of random frequency hopping to send to radio concentrator (20) by the first communicating wireless signals module (12) of described frequency hopping work;
Described radio concentrator (20) comprises a second communicating wireless signals module (21); Described second communicating wireless signals module (21) multinuclear receives the monitoring result that described wireless monitoring terminal (10) is sent by the first communicating wireless signals module (12) simultaneously, and described monitoring result is sent to the 3rd communicating wireless signals module (31) of described monitoring server (30);
Described wireless monitoring terminal (10) is every a Preset Time or when reaching default value in described monitoring result, and the monitoring result of being monitored by Preset Time or monitoring result when reaching default value send to described radio concentrator (20) by the first communicating wireless signals module (12);
First communicating wireless signals module (12) is that random frequency hopping is launched; Second communicating wireless signals module (21) of radio concentrator (20) is that the core that receives receives more simultaneously, and its multinuclear frequency of operation covers all frequencies of the first communicating wireless signals module (12) frequency hopping completely;
Described system also comprises wireless repeater (40), and described wireless repeater (40) is connected with described wireless monitoring terminal (10), radio concentrator (20) respectively;
Described wireless repeater (40) comprises a 4th communicating wireless signals module (41), described 4th communicating wireless signals module (41) receives the monitoring result that described wireless monitoring terminal (10) is sent by the first communicating wireless signals module (12), and described monitoring result is sent to the second communicating wireless signals module (21) of described radio concentrator (20); Described wireless repeater (40) is for expanding the transmission range between described wireless monitoring terminal (10) and described radio concentrator (20);
Described wireless remote control system also comprises the PDA equipment (50) be connected respectively with described wireless monitoring terminal (10), wireless repeater (40), monitoring server (30); Described PDA equipment (50) specifically comprises:
Module (51) is set, for arranging the parameter of described wireless monitoring terminal (10) and the emissive power for arranging described wireless repeater (40);
5th communicating wireless signals module (52), for receiving monitoring result that described wireless monitoring terminal (10) sent by the first communicating wireless signals module (12) and sending described parameter to described wireless monitoring terminal (10), and for sending emissive power setting command to described wireless repeater (40);
USB interface (53), is connected with described monitoring server (30), for sending described monitoring result to described monitoring server (30);
The first communicating wireless signals module (12) of this wireless monitoring terminal (10) is by 4 channel group launch monitor results; These 4 channel group include a high speed operation channel and two tick-over passages; This wireless monitoring terminal (10) is communicated to connect by tick-over passage and this radio concentrator (20), and this wireless monitoring terminal (10) is communicated to connect by high speed operation passage and this PDA equipment (50).
2. a wireless remote monitering method, is characterized in that, comprises the following steps:
The monitoring and metering module (11) of S1, multiple wireless monitoring terminal (10) monitors the running status of equipment to be monitored and the variable of metering equipment to be monitored, and monitoring result being sent to the first communicating wireless signals module (12) of the frequency hopping work of described wireless monitoring terminal (10), the monitoring result of reception is sent to radio concentrator (20) by the first communicating wireless signals module (12) of described frequency hopping work; Described wireless monitoring terminal (10) is arranged on described equipment to be monitored; Wherein, each described radio detection terminal (10) adopts the first communicating wireless signals module (12) of a frequency hopping, and the monitoring result received from monitoring and metering module (11) adopts the mode of random frequency hopping to send to radio concentrator (20) by the first communicating wireless signals module (12) of described frequency hopping work; Described first communicating wireless signals module (12) is that random frequency hopping is launched; Second communicating wireless signals module (21) of radio concentrator (20) is that the core that receives receives more simultaneously, and its multinuclear frequency of operation covers all frequencies of the first communicating wireless signals module (12) frequency hopping completely; Described step S1 comprises step S11 further:
S11, described wireless monitoring terminal (10) are every a Preset Time or when reaching default value in described monitoring result, and the monitoring result of being monitored by Preset Time or monitoring result when reaching default value send to described radio concentrator (20) by the first communicating wireless signals module (12); The further comprising the steps S12-S13 of described step S11:
S12, described wireless monitoring terminal (10) are every a Preset Time or when reaching default value in described monitoring result, and the monitoring result of being monitored by Preset Time or monitoring result when reaching default value send to the 4th communicating wireless signals module (41) of wireless repeater (40) by the first communicating wireless signals module (12);
4th communicating wireless signals module (41) of S13, described wireless repeater (40) receives the described monitoring result that described wireless monitoring terminal (10) sends, and described monitoring result is sent to the second communicating wireless signals module (21) of described radio concentrator (20)
Second communicating wireless signals module (21) multinuclear of S2, described radio concentrator (20) receives the monitoring result that described wireless monitoring terminal (10) is sent by the first communicating wireless signals module simultaneously, and described monitoring result is sent to the 3rd communicating wireless signals module (31) of monitoring server (30);
S3, when described wireless monitoring terminal (10) and described radio concentrator (20) occur failing to report data or PDA equipment (50) to described wireless monitoring terminal (10) send request need to obtain monitoring result time, described monitoring result is passed through the 5th communicating wireless signals module (52) that the first communicating wireless signals module (12) sends to described PDA equipment (50) by described wireless monitoring terminal (10); Wherein, the first communicating wireless signals module (12) of this wireless monitoring terminal (10) is by 4 channel group launch monitor results; These 4 channel group include a high speed operation channel and two tick-over passages; This wireless monitoring terminal (10) is communicated to connect by tick-over passage and this radio concentrator (20), and this wireless monitoring terminal (10) is communicated to connect by high speed operation passage and this PDA equipment (50);
S4, described PDA equipment (50) send described monitoring result to described monitoring server (30) by USB interface (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310067025.9A CN103164941B (en) | 2013-03-01 | 2013-03-01 | A kind of wireless remote control system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310067025.9A CN103164941B (en) | 2013-03-01 | 2013-03-01 | A kind of wireless remote control system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103164941A CN103164941A (en) | 2013-06-19 |
| CN103164941B true CN103164941B (en) | 2015-11-18 |
Family
ID=48587992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310067025.9A Active CN103164941B (en) | 2013-03-01 | 2013-03-01 | A kind of wireless remote control system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103164941B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413415B (en) * | 2013-08-06 | 2017-12-01 | 孔祥吉 | The management system of combustion gas use state in a kind of network management region |
| EP4060290B1 (en) * | 2014-07-18 | 2023-09-13 | Apator Miitors ApS | A method and a system for test and calibration of wireless consumption meters |
| CN105516351B (en) * | 2016-01-08 | 2019-02-26 | 北方智能装备有限公司 | A method of realizing concentrator remote upgrade multi-threaded parallel |
| CN107167255A (en) * | 2017-06-21 | 2017-09-15 | 珠海晶通科技有限公司 | A kind of low-consumption wireless remote multi-point temperature acquisition method |
| CN114125580A (en) * | 2021-09-22 | 2022-03-01 | 北京市燃气集团有限责任公司 | Control method for communication of intelligent gas meter |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1804916A (en) * | 2006-01-20 | 2006-07-19 | 上海唐锐信息技术有限公司 | Method for transmitting measurement data quantitatively and periodically from a wireless meter reading system terminal |
| CN1815146A (en) * | 2005-02-05 | 2006-08-09 | 上海自来水市北科技有限公司 | Wireless long-distance meter-reading system |
| CN101483665A (en) * | 2008-12-19 | 2009-07-15 | 上海城市水资源开发利用国家工程中心有限公司 | Method for network data transmission by wireless meter reading terminal |
| CN102087132A (en) * | 2009-12-04 | 2011-06-08 | 庄革 | Wireless communication processing method for water meter |
| CN102194304A (en) * | 2010-03-02 | 2011-09-21 | 庄革 | Method and system for wireless concentrated collection and management of energy measurement data |
| CN102693620A (en) * | 2012-06-12 | 2012-09-26 | 上海市电力公司 | Wireless meter reading system |
-
2013
- 2013-03-01 CN CN201310067025.9A patent/CN103164941B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1815146A (en) * | 2005-02-05 | 2006-08-09 | 上海自来水市北科技有限公司 | Wireless long-distance meter-reading system |
| CN1804916A (en) * | 2006-01-20 | 2006-07-19 | 上海唐锐信息技术有限公司 | Method for transmitting measurement data quantitatively and periodically from a wireless meter reading system terminal |
| CN101483665A (en) * | 2008-12-19 | 2009-07-15 | 上海城市水资源开发利用国家工程中心有限公司 | Method for network data transmission by wireless meter reading terminal |
| CN102087132A (en) * | 2009-12-04 | 2011-06-08 | 庄革 | Wireless communication processing method for water meter |
| CN102194304A (en) * | 2010-03-02 | 2011-09-21 | 庄革 | Method and system for wireless concentrated collection and management of energy measurement data |
| CN102693620A (en) * | 2012-06-12 | 2012-09-26 | 上海市电力公司 | Wireless meter reading system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103164941A (en) | 2013-06-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103164941B (en) | A kind of wireless remote control system and method | |
| CN111660956B (en) | Network management state monitoring method and device and automobile | |
| US20040061625A1 (en) | Electronic electric meter for networked meter reading | |
| WO2009088438A1 (en) | Network for automated meter reading | |
| US10383083B2 (en) | Wireless local area network based positioning method and device | |
| CN109375046A (en) | A kind of non-formula electric energy meter of registering one's residence of multi-frequency based on plc communication technology is visited one house after another examination device and method | |
| CN102494787A (en) | Method and device for dynamically monitoring temperature of power cable connectors | |
| CN208401842U (en) | A kind of 230MHz LoRa built-in module meeting southern network mark standard | |
| CN103065449A (en) | Method and system for remote meter reading of gas meter and intelligent gas meter | |
| CN201097457Y (en) | Railway signal monitoring network system based on ZigBee | |
| CN105134295A (en) | Intelligent mine air monitoring system based on Enocean-WiFi | |
| CN105185071B (en) | Gas meter, flow meter remote meter reading network data exchange method | |
| KR20160113116A (en) | Remote distribution of a software update to remote-reading terminals | |
| CN203455940U (en) | Intelligent gas meter | |
| CN208739109U (en) | A kind of digital displaying meter signal receiving/transmission device | |
| CN201752138U (en) | Fault point diagnosing and positioning system for indoor wireless network | |
| CN202084170U (en) | Signal transmission module for non-contact SF6 (sulfur hexafluoride) density relay | |
| JP4122646B2 (en) | Meter reading transmission method, meter reading transmission system and meter reading transmitter | |
| KR20170121627A (en) | Remote inspection system and communication method of the same | |
| CN203386353U (en) | Remote meter reading system of gas meter | |
| CN100492430C (en) | Intelligent hydrogen leakage detecting system based on wireless sensing network | |
| CN109920232A (en) | Electric power multi service access terminal and management system based on NB-loT | |
| CN210488778U (en) | Oil field well site monitoring system based on wireless transmission | |
| CN209786878U (en) | Intelligent power distribution room online monitoring system | |
| CN103280088A (en) | GPRS (general packet radio service) water meter remote monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 518000 R & D building 901, block a, building 7, phase I, Wanke Yuncheng phase I, Xili community, Xili street, Nanshan District, Shenzhen City, Guangdong Province (9 / F, whole floor) Patentee after: SHENZHEN HAC TELECOM TECHNOLOGY Co.,Ltd. Address before: Xili Lake Road Shenzhen City, Guangdong province 518000 No. 4227 Nanshan District nine Xiang Ling new industrial district 2 Building 6 floor Patentee before: SHENZHEN HAC TELECOM TECHNOLOGY Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |